Tags: US | Gulf | Oil | Spill

New Oil Numbers May Do More Harm to Fish, Wildlife

Friday, 11 Jun 2010 04:34 PM

New numbers showing the amount of oil gushing from a well in the Gulf of Mexico may be double as much as previously thought means the crude is likely to travel farther away, threatening more birds, fish and other wildlife that call the fragile waters their home, scientists said Friday.

The new figures could mean about 40 million gallons to more than 100 million gallons of oil have already fouled the Gulf's delicate ecosystem and are affecting people who live, work and play along the coast from Louisiana to Florida — and perhaps beyond.

More oil means the giant gooey cloud can spread out over a greater distance, having far worse consequences for the environment, said Paul Montagna, a marine biologist at Texas A&M University Corpus Christi.

"Doubling the amount of oil does not have a linear effect, it doesn't double the consequences, it may instead have quadruple the consequences," Montagna, who studies the Gulf of Mexico deep sea reefs and other underwater ecosystems, said.

The new spill estimates released Thursday are worse than earlier ones — and far more costly for BP, which has seen its stock sink since the April 20 explosion that killed 11 workers and triggered the spill. Most of the new estimates had more oil flowing in an hour than what officials once said was spilling in an entire day.

The spill was flowing at a daily rate that could possibly have been as high as 2.1 million gallons, twice the highest number the federal government had been saying, said U.S. Geological Survey Director Marcia McNutt, who is coordinating estimates. But she said possibly more credible numbers are a bit lower.

Those estimates were the third — and perhaps not the last — time the U.S. government has had to increase its estimate of how much oil is gushing. Trying to clarify what has been a contentious and confusing issue, officials gave a wide variety of figures.

None of the new estimates took into account the cutting of the well's riser pipe on June 3 — which BP said would increase the flow by about 20 percent — and subsequent placement of a cap, and no estimates were given for the amount of oil gushing from the well after the cut.

But at least one resident along the Gulf Coast in Louisiana said the new estimates were meaningless to those trying to keep the oil from ruining their livelihoods.

"Whether it's five gallons or 5 million, I don't care. We don't really need to be wasting time measuring it," said Wanda Kirby, 65, who owns the Sandpiper Shores Motel in Grand Isle, La. "We just need to stop it."

The increased estimates may present a larger danger to the animals, including the brown pelican, that live the Gulf's coastal marshes, said John Andrew Nyman, a wetlands ecologist at Louisiana State University.

Also of particular concern were tuna, billfish such as marlin, sailfish and swordfish, which tend to spawn in the region of the Gulf affected by the spill, said Jim Franks, a fisheries biologist at the University of Southern Mississippi Gulf Coast Research Laboratory.

"We are now into spawning season. The location and magnitude of the spill, the young life stages of these fish, the larval forms, are in a precarious situation," Franks said.

But some scientists said they weren't surprised by the government's new estimates.

"The new rate, 40,000 to 50,000 barrels, is in line with what independent scientists reported weeks ago," said Samantha Joye, a professor of marine sciences at the University of Georgia .

The oil flow estimates are not complete and different teams have come up with different numbers. A new team from the Woods Hole Oceanographic Institute came in with even higher estimates, ranging from 1 million gallons a day to 2.1 million gallons. If the high end is true, that means nearly 107 million gallons have spilled since April 20.

The Obama administration's point man for the Gulf Coast oil spill acknowledged Friday that reliable numbers are hard to get.

"I think we're still dealing with the flow estimate. We're still trying to refine those numbers," said Coast Guard Adm. Thad Allen said.

But even using other numbers that federal officials and scientists call a more reasonable range would have about 63 million gallons spilling since the rig explosion. If that amount was put in gallon milk jugs, they would line up for nearly 5,500 miles. That's the distance from the spill to London, where BP is headquartered, and then continuing on to Rome.

By comparison, the Exxon Valdez, the previous worst U.S. oil spill, was just about 11 million gallons. The new figures mean Deepwater Horizon is producing an Exxon Valdez size spill every five to 13 days.

And despite the new estimates, another big question remains: Just how much oil is beneath the Gulf's surface.

"For the subsurface oil, currently the picture is very vague, there's not enough data," said Chuanmin Hu, an oceanographer at the University of South Florida. "There's no doubt it's there, but how much? Nobody can answer this."

With all sorts of estimates for what's flowing from the BP well. McNutt said the most credible range at the moment is between 840,000 gallons and 1.68 million gallons a day. She added that it was "maybe a little bit more." Scientists used sonar, pressure readings and video analysis to make the new estimates.

Previous estimates had put the range roughly between half a million and a million gallons a day, perhaps higher. At one point, the federal government claimed only 42,000 gallons were spilling a day and then it upped the number to 210,000 gallons.

Allen said that it will be at least July before BP has tankers in place to capture oil spilling from the well. And if undersea efforts to direct the oil to the surface succeed, it will take weeks to get the proper equipment in place to hold it, he said.

Allen also noted a meeting he has invited top BP officials to next week, one in which President Barack Obama is expected to participate, for at least a part of the time.

Asked if a relationship of "trust" had been established between the White House and BP, Allen replied, "This has to be a unified effort moving forward if we are to get this thing solved. If you call that trust, yes."

——

Associated Press writers Jason Dearen, Tamara Lush, Ray Henry in New Orleans, Brian Skoloff in Grand Isle, La., Jay Reeves in Orange Beach, Ala., John Flesher in Traverse City, Mich., and Ben Evans in Washington contributed to this report. Weber reported from Houston, Borenstein from Washington.

© Copyright 2017 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

   
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New numbers showing the amount of oil gushing from a well in the Gulf of Mexico may be double as much as previously thought means the crude is likely to travel farther away, threatening more birds, fish and other wildlife that call the fragile waters their home, scientists...
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Friday, 11 Jun 2010 04:34 PM
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